package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.service.CategoryService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

//分类管理
@RestController
@RequestMapping("/category")
public class CategoryController {
    @Autowired
    private CategoryService categoryService;

    //新增分类
    @PostMapping
    public R<String> save(@RequestBody Category category){
        categoryService.save(category);
        return R.success("新增分类成功");
    }

//    分页查询
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize){
        Page<Category> pageInfo  = new Page<>(page,pageSize);

        //实体类中有个sort字段，可以按照这个字段来排序
        LambdaQueryWrapper<Category> wrapper = new LambdaQueryWrapper<>();
        wrapper.orderByAsc(Category::getSort);
        categoryService.page(pageInfo,wrapper);

        return R.success(pageInfo);
}

//根据id删除分类
    @DeleteMapping
    public R<String> delete(Long id){
        System.out.println("id->"+id);

        categoryService.remove(id);
        return R.success("分类信息删除成功");
    }

    @PutMapping
    public R<String> update(@RequestBody Category category){
        categoryService.updateById(category);
        return R.success("修改分类信息成功");
    }

    //根据条件查询分类数据
    @GetMapping("/list")
    public R<List<Category>> list(Category category){
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(category.getType()!= null,Category::getType,category.getType());
        queryWrapper.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);

        List<Category> list = categoryService.list(queryWrapper);
        return R.success(list);
    }

}
